An aerobic, gram-negative-staining, motile and rod-shaped bacterium, designated strain 3-BNT, was isolated from sewage sediment collected from Baiyangdian, located in Xiongan New Area of China. This heterotrophic bacterium grows on glucose, yeast extract and a limited range of defined organic acids including lactic and propionic acids. The major isoprenoid quinone is ubiquinone Q-8. Major polar lipids are phosphatidylethanolamine (PE), phosphatidylglycerol (PG), diphosphatidyl glycerol (DPG) and three unidentified glycolipids. The major fatty acids are C16:0 (30.9%), C18:1ω7c (18.3%), C17:0 cyclo (16.1%) and C14:0 (7.9%). Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain 3-BNT belongs to the family Burkholderiaceae, and its closest phylogenetic neighbors are members of the genera Burkholderia and Caballeronia. However, strain 3-BNT did not make a coherent clade with members of the currently recognized genera. Based on phylogenetic and chemotaxonomic characteristics of this bacterium, a novel genus and species, Caenibaculum baiyandianus gen. nov., sp. nov., is proposed. The type strain is 3-BNT (=ACCC 60082T=KCTC 62431T).
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This work was supported by the National Natural Science Foundation of China (grant no. 31270053), the Natural Science Foundation of Hebei Province, China C2014201141) and Key Bioengineering Discipline of Hebei Province (1050-5030023).
Conflicts of interest. The authors declare that there are no conflicts of interest.
Informed consent. Informed consent was obtained from all individual participants included in the study.
Yuhui Wang wrote the manuscript; Yuhui Wang, TianTian, Xiaojin Li, Lingjie Tang, Yunqi Li, Jinhua Zhang and Hongpeng Wang performed research; Xiumin Zhang and Liping Zhang designed experiments; Xiumin Zhang and Liping analyzed data.
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Wang, Y., Tian, T., Li, X. et al. Caenibaculum baiyandianus gen. nov., sp. nov., a New Bacterium Isolated from Sewage Sediment of Baiyangdian. Microbiology 89, 122–128 (2020). https://doi.org/10.1134/S0026261720010166
- Xiongan New Area
- Caenibaculum baiyandianus gen. nov.
- sp. nov.